Catback Exhaust System – Audi S4 B8 3.0 TFSI V6 09-16-Gravity Performance

2.5" bore throughout with quad 3 inch tips Manufactured from mandrel bent T304 grade stainless steel and CNC machined Flanges with full TIG welding for strength and durability Designed to be a direct replacement replacement for the OEM system from the catalytic converters back A free flowing exhaust is a great way to release power and noise from the B8's 3.0 V6